Year	Dollars
1992-01-01	22509441
1997-01-01	58775291
2002-01-01	50469755
2003-01-01	50587576
2004-01-01	73806805
2005-01-01	107129758
2006-01-01	114922545
2007-01-01	116072044
2008-01-01	117741794
2009-01-01	140330035
2010-01-01	129499791
2011-01-01	162433816
2012-01-01	155494666
2013-01-01	137750201
2014-01-01	119190883
2015-01-01	112179499
2016-01-01	109522987